The Prostate Cancer Diet: What the Evidence Really Says About Coffee, Green Tea, Broccoli, Dairy and More (2026)
What you eat may influence prostate-cancer risk—but the science is more complicated than a list of “good” and “bad” foods. There is a growing body of research connecting diet, metabolic health and prostate cancer. Coffee consumption has been associated with lower prostate-cancer risk. Plant-forward dietary patterns appear favorable. Some studies suggest that green tea catechins may have chemopreventive potential. Higher consumption of dairy and calcium has been associated with a modest increase in risk in several observational studies. But there is an important distinction between an association and a proven cause-and-effect relationship . No single food has been proven to prevent prostate cancer. And no food should be considered a substitute for PSA testing, diagnostic evaluation, active surveillance, surgery, radiation, androgen-deprivation therapy, chemotherapy, targeted therapy or other appropriate cancer treatment. The more useful question is therefore not: “Which food kills prost...